√425 = 20.6155281281. 425 is not a perfect square; the result is irrational.

Is 425 a perfect square?

No, 425 is not a perfect square. Its square root is irrational.

What is 20.6155281281 squared?

20.6155281281 squared is approximately 425. (20.6155281281)² ≈ 425

Instant answer with step-by-step solution

√425 = 20.6155281281

√425 = 20.6155281281

⚠ 425 is not a perfect square — result rounded to 10 significant figures

We need to find √425 — a number that when multiplied by itself equals 425.
425 is not a perfect square. Its square root is irrational.
It falls between √400 = 20 and √441 = 21.
Using the formula √N = N^(1/2): √425 = 425^0.5 = 20.6155281281
Verification: 20.6155281281 × 20.6155281281 ≈ 425 ✓ (rounded to 10 significant figures)

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